Free online image compressor
Compress image to X KB
Set any target size from 10KB to 5000KB and create a smaller image without uploading it.
Private by default
Exact KB target
Works on any device
Image compressor
Up to 25MB
Choose image
Drop a JPG, PNG, WebP, or BMP here. Max 25MB.
Ready. No upload needed.
No uploadYour image never leaves the browser.
Fast targetsSet 50KB, 100KB, 200KB, or any custom size.
Clean outputDownload optimized JPG, WebP, or PNG files.
How to compress an image to a custom KB size
Choose an image, enter your target size in KB, select JPG, WebP, or PNG output, and download the compressed file.
This page is useful when a form asks for a specific file limit such as 75KB, 120KB, 250KB, 300KB, or 1MB.
Frequently asked questions
What does X KB mean?
X KB means any custom file size limit. Enter the number required by your form or website, such as 75KB, 120KB, or 300KB.
What is the maximum input image size?
The current limit is 25MB to keep browser compression stable on phones, tablets, and laptops.
Does this tool add a watermark?
No. The compressed image is downloaded without a watermark.